doc: fix -W and %expect documentation some.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 4999832aae4dc960bee0b9263c378cf72344476e..afa975b44bcde7871b8198e4ec668ab2bb8493d9 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,33 @@
 Bison News
 ----------
 
-* Changes in version 2.4.1a (2010-01-22):
+* Changes in version 2.4.3 (????-??-??):
+
+** Bison now obeys -Werror and --warnings=error for warnings about
+   grammar rules that are useless in the parser due to conflicts.
+
+** Problems with spawning M4 on at least FreeBSD 8 and FreeBSD 9 have
+   been fixed.
+
+** Failures in the test suite for GCC 4.5 have been fixed.
+
+** Failures in the test suite for some versions of Sun Studio C++ have
+   been fixed.
+
+** Contrary to Bison 2.4.2's NEWS entry, it has been decided that
+   warnings about undefined %prec identifiers will not be converted to
+   errors in Bison 2.5.  They will remain warnings, which should be
+   sufficient for POSIX while avoiding backward compatibility issues.
+
+** Minor documentation fixes.
+
+* Changes in version 2.4.2 (2010-03-20):
+
+** Some portability problems that resulted in failures and livelocks
+   in the test suite on some versions of at least Solaris, AIX, HP-UX,
+   RHEL4, and Tru64 have been addressed.  As a result, fatal Bison
+   errors should no longer cause M4 to report a broken pipe on the
+   affected platforms.
 
 ** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
 
@@ -12,6 +38,8 @@ Bison News
   %prec directive.  It is now restored.  However, for backward
   compatibility with recent Bison releases, it is only a warning for
   now.  In Bison 2.5 and later, it will return to being an error.
+  [Between the 2.4.2 and 2.4.3 releases, it was decided that this
+  warning will not be converted to an error in Bison 2.5.]
 
 ** Detection of GNU M4 1.4.6 or newer during configure is improved.
 
@@ -76,10 +104,10 @@ Bison News
   preprocessor warnings (from GCC cpp's -Wunused-macros, for example).
   To avoid Bison's future warning, such YYFAIL uses can be moved to the
   epilogue (that is, after the second `%%') in the Bison input file.  In
-  this release (2.4.1a), Bison already generates its own code to suppress
+  this release (2.4.2), Bison already generates its own code to suppress
   C preprocessor warnings for YYFAIL, so projects can remove their own
   phony uses of YYFAIL if compatibility with Bison releases prior to
-  2.4.1a is not necessary.
+  2.4.2 is not necessary.
 
 ** Internationalization.
 
@@ -1134,7 +1162,9 @@ End:
 
 -----
 
-Copyright (C) 1995-2010 Free Software Foundation, Inc.
+Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+Inc.
 
 This file is part of Bison, the GNU Parser Generator.